Photos: Park Ridge 'burial mound'

Jennifer Johnson

Right: Native American stone flakes, a penny, a 1922 political button and a piece of black coal, right, were unearthed during Park Ridge resident Brian Lazzaro's dig in the backyard of a Prospect Avenue home.

Right: Native American stone flakes, a penny, a 1922 political button and a piece of black coal, right, were unearthed during Park Ridge resident Brian Lazzaro's dig in the backyard of a Prospect Avenue home. (Jennifer Johnson)